-
1
-
-
0000043794
-
Soil physical properties after 100 years of continuous cultivation
-
Andersen, S.H., C.J. Gantzer, and J.R. Brown. 1990. Soil physical properties after 100 years of continuous cultivation. J. Soil Water Conserv. 45:117-121.
-
(1990)
J. Soil Water Conserv.
, vol.45
, pp. 117-121
-
-
Andersen, S.H.1
Gantzer, C.J.2
Brown, J.R.3
-
2
-
-
0001309560
-
Soil carbon, nitrogen, and bulk density comparisons in two cropland tillage systems after 25 years and in virgin grassland
-
Bauer, A., and A.L. Black. 1981. Soil carbon, nitrogen, and bulk density comparisons in two cropland tillage systems after 25 years and in virgin grassland. Soil Sci. Soc. Am. J. 45:1166-1170.
-
(1981)
Soil Sci. Soc. Am. J.
, vol.45
, pp. 1166-1170
-
-
Bauer, A.1
Black, A.L.2
-
3
-
-
0028159984
-
Quantification of the effect of soil organic matter content on soil productivity
-
Bauer, A., and A.L. Black. 1994. Quantification of the effect of soil organic matter content on soil productivity. Soil Sci. Soc. Am. J. 58:185-193.
-
(1994)
Soil Sci. Soc. Am. J.
, vol.58
, pp. 185-193
-
-
Bauer, A.1
Black, A.L.2
-
4
-
-
0008050799
-
-
Conserv. Tillage Inf. Center, Fort Wayne, IN
-
Conservation Tillage Information Center. 1990. National survey of conservation tillage practices. Conserv. Tillage Inf. Center, Fort Wayne, IN.
-
(1990)
National Survey of Conservation Tillage Practices
-
-
-
5
-
-
0003542068
-
Preparing U.S. agriculture for global climate change
-
CAST, Ames, IA
-
Council for Agricultural Science and Technology. 1992. Preparing U.S. agriculture for global climate change. CAST Rep. 119. CAST, Ames, IA.
-
(1992)
CAST Rep. 119
-
-
-
6
-
-
5544265960
-
Crop production: 1993 summary
-
U.S. Gov. Print. Office, Washington, DC
-
Crop Reporting Board. 1994. Crop production: 1993 summary. USDA Stat. Rep. Serv. U.S. Gov. Print. Office, Washington, DC.
-
(1994)
USDA Stat. Rep. Serv.
-
-
-
7
-
-
70349288510
-
The biological yield and harvest index of cereals as agronomic and plant breeding criteria
-
Donald, C.M., and J. Hamblin. 1976. The biological yield and harvest index of cereals as agronomic and plant breeding criteria. Adv. Agron. 28:361-405.
-
(1976)
Adv. Agron.
, vol.28
, pp. 361-405
-
-
Donald, C.M.1
Hamblin, J.2
-
8
-
-
0028162402
-
The CRP increases soil organic carbon
-
Gebhart, D.L., H.B. Johnson, H.S. Mayeux, and H.W. Polley. 1994. The CRP increases soil organic carbon. J. Soil Water Conserv. 49:488-492.
-
(1994)
J. Soil Water Conserv.
, vol.49
, pp. 488-492
-
-
Gebhart, D.L.1
Johnson, H.B.2
Mayeux, H.S.3
Polley, H.W.4
-
9
-
-
1842279180
-
The organic matter and nitrogen content and carbon-nitrogen ratio of Cecil soil as influenced by different cropping systems on Classes II, III, and IV land
-
Gosdin, G.W., M. Stelly, and W.E. Adams. 1949. The organic matter and nitrogen content and carbon-nitrogen ratio of Cecil soil as influenced by different cropping systems on Classes II, III, and IV land. Soil Sci. Soc. Am. Proc. 14:203-209.
-
(1949)
Soil Sci. Soc. Am. Proc.
, vol.14
, pp. 203-209
-
-
Gosdin, G.W.1
Stelly, M.2
Adams, W.E.3
-
10
-
-
0344247159
-
Effects of crop sequence and N fertilizer levels on soil bulk density
-
Hageman, N.R., and W.D. Shrader. 1979. Effects of crop sequence and N fertilizer levels on soil bulk density. Agron. J. 71:1005-1008.
-
(1979)
Agron. J.
, vol.71
, pp. 1005-1008
-
-
Hageman, N.R.1
Shrader, W.D.2
-
11
-
-
0025573718
-
Crop rotation and tillage effects on soil organic carbon and nitrogen
-
Havlin, J.L., D.E. Kissel, L.D. Maddux, M.M. Claassen, and J.H. Long. 1990. Crop rotation and tillage effects on soil organic carbon and nitrogen. Soil Sci. Soc. Am. J. 54:448-452.
-
(1990)
Soil Sci. Soc. Am. J.
, vol.54
, pp. 448-452
-
-
Havlin, J.L.1
Kissel, D.E.2
Maddux, L.D.3
Claassen, M.M.4
Long, J.H.5
-
13
-
-
0027493708
-
Conservation tillage impacts on national soil and atmospheric carbon levels
-
Kern, J.S., and M.G. Johnson. 1993. Conservation tillage impacts on national soil and atmospheric carbon levels. Soil Sci. Soc. Am. J. 57:200-210.
-
(1993)
Soil Sci. Soc. Am. J.
, vol.57
, pp. 200-210
-
-
Kern, J.S.1
Johnson, M.G.2
-
14
-
-
0002913909
-
Soil and cropping practices
-
W. Lockeretz (ed.) Academic Press, New York
-
Lucas, R.E., J.B. Holtman, and L.J. Conner. 1977. Soil and cropping practices, p. 333-351. In W. Lockeretz (ed.) Agriculture and energy. Academic Press, New York.
-
(1977)
Agriculture and Energy
, pp. 333-351
-
-
Lucas, R.E.1
Holtman, J.B.2
Conner, L.J.3
-
15
-
-
0345294640
-
Changes in soil carbon storage after cultivation
-
Mann, L.K. 1986. Changes in soil carbon storage after cultivation. Soil Sci. 142:279-288.
-
(1986)
Soil Sci.
, vol.142
, pp. 279-288
-
-
Mann, L.K.1
-
16
-
-
0000481203
-
Total carbon, organic carbon and organic matter
-
A.L. Page et al. (ed.) Agron. Monogr. 9. ASA and SSSA, Madison, WI
-
Nelson, D.W., and L.E. Sommers. 1982. Total carbon, organic carbon and organic matter. p. 539-579. In A.L. Page et al. (ed.) Methods of soil analysis. Part 2. 2nd ed. Agron. Monogr. 9. ASA and SSSA, Madison, WI.
-
(1982)
Methods of Soil Analysis. Part 2. 2nd Ed.
, pp. 539-579
-
-
Nelson, D.W.1
Sommers, L.E.2
-
17
-
-
0021620150
-
Changes in organic carbon and nitrogen of Morrow Plot soils under different treatments, 1904-1973
-
Odell, R.T., S.W. Melsted, and W.M. Walker. 1984. Changes in organic carbon and nitrogen of Morrow Plot soils under different treatments, 1904-1973. Soil Sci. 137:160-171.
-
(1984)
Soil Sci.
, vol.137
, pp. 160-171
-
-
Odell, R.T.1
Melsted, S.W.2
Walker, W.M.3
-
18
-
-
0028388831
-
Long-term effects of residue management in wheat-fallow: I. Inputs, yield, and soil organic matter
-
Rasmussen, P.E., and W.J. Parton. 1994. Long-term effects of residue management in wheat-fallow: I. Inputs, yield, and soil organic matter. Soil Sci. Soc. Am. J. 58:523-530.
-
(1994)
Soil Sci. Soc. Am. J.
, vol.58
, pp. 523-530
-
-
Rasmussen, P.E.1
Parton, W.J.2
-
19
-
-
0024035564
-
Long-term tillage and nitrogen fertilization effects on organic nitrogen and carbon in a semiarid soil
-
Rasmussen, P.E., and C.R. Rohde. 1988. Long-term tillage and nitrogen fertilization effects on organic nitrogen and carbon in a semiarid soil. Soil Sci. Soc. Am. J. 52:1114-1117.
-
(1988)
Soil Sci. Soc. Am. J.
, vol.52
, pp. 1114-1117
-
-
Rasmussen, P.E.1
Rohde, C.R.2
-
20
-
-
5544257183
-
A rapid method for the accurate determination of total carbon in soils
-
Salter, R.M. 1916. A rapid method for the accurate determination of total carbon in soils. J. Ind. Eng. Chem. 8:637-639.
-
(1916)
J. Ind. Eng. Chem.
, vol.8
, pp. 637-639
-
-
Salter, R.M.1
-
22
-
-
0026304061
-
A comparison of some methods for soil organic carbon determination
-
Soon, Y.K., and S. Abboud. 1991. A comparison of some methods for soil organic carbon determination. Commun. Soil Sci. Plant Anal. 22:943-954.
-
(1991)
Commun. Soil Sci. Plant Anal.
, vol.22
, pp. 943-954
-
-
Soon, Y.K.1
Abboud, S.2
-
23
-
-
0002944455
-
Automated instruments for determination of total carbon, nitrogen, and sulfur in soils by combustion techniques
-
K.A. Smith (ed.) Marcel Dekker, New York
-
Tabatabai, M.A., and J.M. Bremner. 1991. Automated instruments for determination of total carbon, nitrogen, and sulfur in soils by combustion techniques, p. 229-259. In K.A. Smith (ed.) Soil analysis, modern instrumental techniques. 2nd ed. Marcel Dekker, New York.
-
(1991)
Soil Analysis, Modern Instrumental Techniques. 2nd Ed.
, pp. 229-259
-
-
Tabatabai, M.A.1
Bremner, J.M.2
-
24
-
-
0141699577
-
Soil organic matter and nitrogen changes during 24 years of dryland wheat tillage and cropping practices
-
Unger, P.W. 1968. Soil organic matter and nitrogen changes during 24 years of dryland wheat tillage and cropping practices. Soil Sci. Soc. Am. Proc. 32:426-429.
-
(1968)
Soil Sci. Soc. Am. Proc.
, vol.32
, pp. 426-429
-
-
Unger, P.W.1
-
25
-
-
0003125769
-
-
Rep. OTA-0-482. Office of Technol. Assessment, Washington, DC
-
U.S. Congress. 1991. Changing by degrees: Steps to reduce greenhouse gases. Rep. OTA-0-482. Office of Technol. Assessment, Washington, DC.
-
(1991)
Changing by Degrees: Steps to Reduce Greenhouse Gases
-
-
-
26
-
-
0019788090
-
Organic C dynamics in grassland soils. 2. Model validation and simulation of long-term effects of cultivation and rainfall erosion
-
Voroney, R.P., J.A. Van Veen, and E.A. Paul. 1981. Organic C dynamics in grassland soils. 2. Model validation and simulation of long-term effects of cultivation and rainfall erosion. Can. J. Soil Sci. 61:211-224.
-
(1981)
Can. J. Soil Sci.
, vol.61
, pp. 211-224
-
-
Voroney, R.P.1
Van Veen, J.A.2
Paul, E.A.3
-
27
-
-
0007892877
-
Soil organic matter and the global carbon cycle
-
Wallace, A., G.A. Wallace, and J.W. Cha. 1990. Soil organic matter and the global carbon cycle. J. Plant Nutr. 13:459-466.
-
(1990)
J. Plant Nutr.
, vol.13
, pp. 459-466
-
-
Wallace, A.1
Wallace, G.A.2
Cha, J.W.3
-
29
-
-
0026269265
-
Tillage and crop rotation effects on soil organic matter in a Typic Hapludult of northern Alabama
-
Wood, C.W., J.H. Edwards, and C.G. Cummins. 1991. Tillage and crop rotation effects on soil organic matter in a Typic Hapludult of northern Alabama. J. Sustain. Agric. 2:31-41.
-
(1991)
J. Sustain. Agric.
, vol.2
, pp. 31-41
-
-
Wood, C.W.1
Edwards, J.H.2
Cummins, C.G.3
-
30
-
-
0026306163
-
Carbon and nitrogen analysis of soils by automated combustion techniques
-
Yeomans, J.C., and J.M. Bremner. 1991. Carbon and nitrogen analysis of soils by automated combustion techniques. Commun. Soil Sci. Plant Anal. 22:843-850.
-
(1991)
Commun. Soil Sci. Plant Anal.
, vol.22
, pp. 843-850
-
-
Yeomans, J.C.1
Bremner, J.M.2
|